Network Requirements for Video

Note: Both the visitor page and the Agent desk must be hosted via HTTPS.

Running the audio / video service requires the Browser to access the audio / video chat services on the internet over specific ports in order to work.

The audio / video chat service uses the following domains:

  • *.tokbox.com
  • *.opentok.com

The following HTTPS verification servers must be accessible for SSL certificate verification:

  • oscp.godaddy.com
  • crl.godaddy.com

Minimal

The minimal Requirement is that TCP port 443 is open. Some firewall/proxy rules only allow for SSL traffic over port 443. You will need to make sure that non-web traffic can also pass over this port.

Better Experience:

In addition to the minimal requirements being met, we also recommend that UDP port 3478 is open. The User Datagram Protocol (UDP) favours low latency over error-correction and is well-suited to audio and video communications.

Port 3478 only accepts inbound traffic after an outbound request is sent. The connection is bidirectional but is always initiated from the corporate network/client so it is not possible for an external entity to send malicious traffic in the opposite direction.

Best Experience:

For the best possible experience, we recommend that UDP ports 1025 - 65535 be open.

You can test if a network meets the connectivity requirements by using the OpenTok Connectivity Doctor: http://www.tokbox.com/tools/connectivity/ (you must use Chrome).

Bandwidth Requirements

  • Video: 300 kbps per stream (recommended lowest level)
  • Audio: 50 kbps per stream (recommended lowest level)

Server Communication with Opentok

The Collaboration Server must be able to communicate with https://api.opentok.com which is a service located on the Internet. Thus, port 443 must be open for outbound traffic to api.opentok.com.

Video Chat Setup

  • deployonprem

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